Wireless charging hub



FIG. 1 is a top view of a wireless charging hub showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a top, front, right side perspective view thereof; and,

FIG. 8 is a top, rear, left side perspective view thereof.

The broken lines in the drawings depict parts of the wireless charging hub that form no part of the claimed design. 

CLAIM The ornamental design for a wireless charging hub, as shown and described. 